Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

3bscientific.de

Simulation und Kompetenztraining für die medizinische Ausbildung - 3B Scientific

Page Load Speed

3.3 sec in total

First Response

200 ms

Resources Loaded

2.8 sec

Page Rendered

238 ms

3bscientific.de screenshot

About Website

Welcome to 3bscientific.de homepage info - get ready to check 3B Scientific best content for Germany right away, or after learning these important things about 3bscientific.de

Medizinische Simulation, Medizinische Ausbildung, Medizinische Simulatoren, Modelle und Lehrtafeln zur menschlichen Anatomie, Ausrüstung für die Physik und Zubehör für die Biologie, naturwissenschaftl...

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Key Findings

We analyzed 3bscientific.de page load time and found that the first response time was 200 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

3bscientific.de performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.662

8/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

3bscientific.de

200 ms

index.html

825 ms

gtm.js

111 ms

ioc4ckd.js

47 ms

jquery.js

163 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original 3bscientific.de, 61% (58 requests) were made to 3bscientific.com and 7% (7 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (829 ms) relates to the external source 3bscientific.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 269.2 kB (14%)

Content Size

1.9 MB

After Optimization

1.7 MB

In fact, the total size of 3bscientific.de main page is 1.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 136.0 kB

  • Original 162.5 kB
  • After minification 154.2 kB
  • After compression 26.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 136.0 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 109.5 kB

  • Original 1.5 MB
  • After minification 1.4 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. 3B Scientific images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 15.3 kB

  • Original 190.2 kB
  • After minification 190.2 kB
  • After compression 174.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 8.4 kB

  • Original 61.9 kB
  • After minification 61.9 kB
  • After compression 53.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. 3bscientific.de needs all CSS files to be minified and compressed as it can save up to 8.4 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (60%)

Requests Now

83

After Optimization

33

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3B Scientific. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

3bscientific.de accessibility score

94

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

3bscientific.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

3bscientific.de SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3bscientific.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that 3bscientific.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of 3B Scientific. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: